{"title":"C- Filters","description":null,"products":[{"product_id":"zwo-qhy-idas-filter-box","title":"2- ZWO\/QHY  - IDAS Filter Box","description":"The total light path of the filter box assembly is optimized for the combination of ZWO\/QHY(=17.5mm flange back) cameras, IDAS filters and BORG telescopes. BORG telescopes users are allowed to simply set it between the BORG and ZWO\/QHY.\r\n\u003cul\u003e\r\n \t\u003cli\u003eCamera side : M42\/P0.75 male or M54\/P0.75 male\u003c\/li\u003e\r\n \t\u003cli\u003eTelescope side : M57\/P0.75 male\u003c\/li\u003e\r\n \t\u003cli\u003eFilter box accommodates 48mm and 52mm filter\u003c\/li\u003e\r\n \t\u003cli\u003eAllowed to add 2nd filter box\u003c\/li\u003e\r\n \t\u003cli\u003eRe-configurable for other brand telescopes.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n* Note: Each camera manufacturer's flange back specs are 17.5mm +\/- 0.5mm, according to them.","brand":"Astro Hutech","offers":[{"title":"M42","offer_id":49343837012274,"sku":"7519SM42","price":169.0,"currency_code":"USD","in_stock":true},{"title":"M54","offer_id":49343837045042,"sku":"7519SM54","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7519-4.jpg?v=1727242551"},{"product_id":"borg-filter-box-7519","title":"3- BORG Filter Box #7519","description":"\u003cspan style=\"color: #000000; font-family: Arial, Geneva; font-size: small;\"\u003eThis filter holder from Borg makes changing filters a simple and painless task. The use of a shutter cable (not included) pops the filter in its holder out in your hand without requiring the camera to be removed or anything to be unscrewed. Features include:\u003c\/span\u003e\r\n\u003cul style=\"color: #000000; font-family: Arial, Geneva; font-size: small;\"\u003e\r\n \t\u003cli\u003eFilter holders accomodate 52mm camera filters. A 48mm step ring is included with each holder. Additional filter holders to facilitate quick filter swaps are available separately (see part no. \u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/prices\/borgparts\/html\/7518.htm\"\u003e7518\u003c\/a\u003e).\u003c\/li\u003e\r\n \t\u003cli\u003eFilter box assembly accomodates an additional 52 or 48mm filter for stacked use (e.g. RGB filters with an LPS filter).\u003c\/li\u003e\r\n \t\u003cli\u003eBackfocus requirement: 15mm\u003c\/li\u003e\r\n \t\u003cli\u003eShutter cable ejection mechanism\u003c\/li\u003e\r\n \t\u003cli\u003eCombo male\/female M57 interfaces on both front and back ends allow easy attachment to most scopes and cameras when used with other Borg adapters.\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343839961394,"sku":"borg-filter-box-#7519","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7519-7.jpg?v=1727242578"},{"product_id":"31mm-unmounted","title":"36mm Unmounted","description":"\u003cul\u003e\r\n \t\u003cli\u003e36mm unmounted\u003c\/li\u003e\r\n \t\u003cli\u003e1.1mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"LPS-D2","offer_id":49343841403186,"sku":"","price":100.0,"currency_code":"USD","in_stock":true},{"title":"LPS-D3","offer_id":49343841435954,"sku":"","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Untitled-5.jpg?v=1727242599"},{"product_id":"36mm-unmounted-3","title":"36mm unmounted","description":"","brand":"Astro Hutech","offers":[{"title":"LPS-D3-36","offer_id":49343842386226,"sku":"","price":159.0,"currency_code":"USD","in_stock":true},{"title":"NB1-36","offer_id":49343842418994,"sku":"","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Untitled-5_20d36795-f4d5-4c50-8765-602fae0515c1.jpg?v=1727242603"},{"product_id":"4-hyperstar-filter-drawer","title":"4- Hyperstar Filter Drawer","description":"Filter Drawer for HyperStar specifically designed for\r\n\u003cul\u003e\r\n \t\u003cli\u003eHyperstar C9.25 and C11\u003c\/li\u003e\r\n \t\u003cli\u003eQHY or ZWO cameras (17.5mm flange back)\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS M48 or M52 filter\u003c\/li\u003e\r\n \t\u003cli\u003eFully covers the full frame sensor\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\nThe light path turns ideal when one of IDAS filters is in place.","brand":"Astro Hutech","offers":[{"title":"M42","offer_id":49343842779442,"sku":"HSM42","price":179.0,"currency_code":"USD","in_stock":true},{"title":"M54","offer_id":49343842812210,"sku":"HSM54","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/hs1.jpg?v=1727242614"},{"product_id":"borg-filter-box-for-atik-cameras-19-5mm","title":"5- ATIK-IDAS Drop-in Filter Adapter","description":"This BORG filter box (7519) assembly is designed for ATIK 16200 and CosMos cameras or 19.5mm flange via M54 opening interface.\r\n\u003cul\u003e\r\n \t\u003cli\u003eOptical distance is fully optimized for IDAS M48 or M52 filters and BORG 60.0mm BF.\u003c\/li\u003e\r\n \t\u003cli\u003eM57\/P0.75 male at telescope side\u003c\/li\u003e\r\n \t\u003cli\u003eM54\/P0.75 male at camera side\u003c\/li\u003e\r\n \t\u003cli\u003eAn assembly unit includes M54-14.2, 7519 and 7602 (A filter is not included)\u003c\/li\u003e\r\n \t\u003cli\u003eCan be re-configured for other telescopes\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343845400882,"sku":"7519-19.5","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7519-19.5.jpg?v=1727242637"},{"product_id":"50mm-unmounted","title":"50mm unmounted","description":"\u003cul\u003e\r\n \t\u003cli\u003eLPS-P2 50mm\u003c\/li\u003e\r\n \t\u003cli\u003e3.0mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343851168050,"sku":"","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Untitled-5_e9fb3b3d-aa0c-40b8-86d4-8e6c257f102e.jpg?v=1727242720"},{"product_id":"7505-2-eyepiece-holder-m","title":"7505 - 2\" Eyepiece Holder M","description":"\u003cul\u003e\r\n \t\u003cli\u003eM57 Male\u003c\/li\u003e\r\n \t\u003cli\u003eM57 Female \u0026amp; 2\"\u003c\/li\u003e\r\n \t\u003cli\u003e40mm light path\u003c\/li\u003e\r\n \t\u003cli\u003eM52  filter thread at the objective side\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343858114866,"sku":"7505","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7505.jpg?v=1727242925"},{"product_id":"7518-52mm-48mm-filter-holder","title":"7518 - 52mm\/48mm Filter Holder","description":"M52\/M48 filter holder","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343859392818,"sku":"7518","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/7518.jpg?v=1727242953"},{"product_id":"anti-halo-2-e2-80-b3-uv-ir-cut-filter","title":"Anti-Halo 2″ UV IR-CUT Filter","description":"\u003cimg src=\"http:\/\/player-one-astronomy.com\/wp-content\/uploads\/2023\/04\/Anti-Halo-2-inch-UV-IR-CUT-filter1.jpg\"\u003e\r\n\u003ch4\u003e\u003cstrong\u003eAnti-Halo UV IR-CUT 2″ filter\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003e\u003cstrong\u003eFrame thickness:\u003c\/strong\u003e body 5mm+ thread 2.5mm, a total of 7.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003e\u003cstrong\u003eFilter glass:\u003c\/strong\u003e 1.85mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003e\u003cstrong\u003eTransmittance:\u003c\/strong\u003e \u0026gt;=\u003c\/span\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"1\" data-group=\"6-1\"\u003e95%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003e\u003cstrong\u003eBlocking depth:\u003c\/strong\u003e OD4.0\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343870730546,"sku":"AH-UV-IR-CUT-2","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/1000.jpg?v=1727243186"},{"product_id":"anti-halo-pro-dual-band-2-e2-80-b3-haoiii-filter","title":"Anti-Halo PRO Dual-Band 2″ Ha+OIII filter","description":"\u003ch4\u003e\n\u003cstrong\u003eAnti-Halo PRO \u003c\/strong\u003e\u003cstrong\u003eDual-Band \u003c\/strong\u003e\u003cstrong\u003e2″ \u003c\/strong\u003e\u003cstrong\u003eHa+OIII filter\u003c\/strong\u003e\n\u003c\/h4\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003e\u003cstrong\u003eFrame thickness:\u003c\/strong\u003e body 5mm+ thread 2.5mm, a total of 7.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003e\u003cstrong\u003eFilter glass thickness:\u003c\/strong\u003e 1.85mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cb\u003eHa CWL: \u003c\/b\u003e656.3nm      \u003cb\u003eBand \u003c\/b\u003e\u003cb\u003eWidth: \u003c\/b\u003e3.7±0.5nm\r\n\r\n\u003cstrong\u003eOIII CWL:\u003c\/strong\u003e 500.7nm     \u003cb\u003eBand Width: \u003c\/b\u003e3.2±0.5nm\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003e\u003cstrong\u003eTransmittance:\u003c\/strong\u003e \u0026gt;=\u003c\/span\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"1\" data-group=\"6-1\"\u003e85%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003e\u003cstrong\u003eBlocking depth: \u003c\/strong\u003e\u003c\/span\u003eOD5 (200-1100nm)\u003c\/p\u003e\r\nhttps:\/\/youtu.be\/YPfMhKGyK1Y","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343871058226,"sku":"AHP-HO-2","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/DB1000.jpg?v=1727243199"},{"product_id":"ch4-8nm-1-25-e2-80-b3-filter-e-series","title":"CH4 8nm 1.25″ Filter E-series","description":"Methane bandpass filter\r\n\u003cp class=\"tgt\" data-section=\"0\"\u003e\u003cspan class=\"tgt\" data-section=\"0\" data-sentence=\"0\" data-group=\"0-0\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e 1.25 inch, thread M28.5*0.6\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003e\u003cstrong\u003eFrame thickness:\u003c\/strong\u003e body 5mm+ thread 2.5mm, a total of 7.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003e\u003cstrong\u003eGlass thickness :\u003c\/strong\u003e 2.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003eBandwidth:\u003c\/strong\u003e 8nm\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003eCWL (center wavelength):\u003c\/strong\u003e889nm\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003ePV:\u003c\/strong\u003e 1\/4 lambda\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003e\u003cstrong\u003eTransmittance:\u003c\/strong\u003e ≈90%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003e\u003cstrong\u003eBlocking depth:\u003c\/strong\u003e OD4\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343892029746,"sku":"CH4-125E","price":128.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/CH41000.jpg?v=1727243842"},{"product_id":"clear-odw-filters","title":"Clear (ODW) Filters","description":"Full spectrum (clear) filter. Fully multi-coated. Par-focal with most of other IDAS filters - 2.5mm thick.\r\n\r\nIDAS is a trademark of ICAS Enterprise, Japan","brand":"Astro Hutech","offers":[{"title":"52mm","offer_id":49343892521266,"sku":"","price":99.0,"currency_code":"USD","in_stock":true},{"title":"50.8mm","offer_id":49343892554034,"sku":"ODW-50.8","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/odw-48.jpg?v=1727243849"},{"product_id":"dbp-ex-48-nabula-contrast-booster-48mm2","title":"DBP-EX-48, Nebula Contrast Booster 48mm(2\")","description":"Dual band nebula contrast booster 2\"\r\n\u003cul\u003e\r\n \t\u003cli\u003eHigh transmission rate - 99% (higher S\/N)\u003c\/li\u003e\r\n \t\u003cli\u003eSteep cutoff lines - makes the image contrast better\u003c\/li\u003e\r\n \t\u003cli\u003eVirtually halo-free\u003c\/li\u003e\r\n \t\u003cli\u003eGlass thickness : 1.5mm\u003c\/li\u003e\r\n \t\u003cli\u003eGlass type : Fused Quartz – excellent purity and transmission including UV. Extremely low contamination. High heat resistance.\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343893340466,"sku":"DBP-EX-48","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/1000-6.jpg?v=1727243884"},{"product_id":"erf-1-25","title":"ERF 1.25\"","description":"Player One S series filter using high quality optical glass substrate and multi-layer composite coating technology, which has excellent optical performance in astrophotography.\r\n\r\n\u003cstrong data-spm-anchor-id=\"2013.1.0.i1.44c7454dwNdx9O\"\u003e1.25inch ERF filter ( Energy rejection filter for Quark Chromosphere）\u003c\/strong\u003e\r\n\r\nThis filter is an assistant filter, design for Quark Chromosphere (Ha verstion) ,\u003cstrong\u003e intend to reject energy and extend life time of your Quark\u003c\/strong\u003e.\r\n\r\n1.25″ ERF filter must working on\u003cstrong\u003e 5″ or smaller refractors.\u003c\/strong\u003e\r\n\r\n\u003cem\u003e\u003cstrong\u003e(DO NOT use it on eyepiece for observing)\u003c\/strong\u003e\u003c\/em\u003e\r\n\u003cp class=\"tgt\" data-section=\"0\"\u003e\u003cspan class=\"tgt\" data-section=\"0\" data-sentence=\"0\" data-group=\"0-0\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e 1.25 inch, thread M28.5*0.6\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003e\u003cstrong\u003eFrame thickness:\u003c\/strong\u003e body 5mm+ thread 2.5mm, a total of 7.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003e\u003cstrong\u003eThickness of filter lens:\u003c\/strong\u003e 2.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003ePV:\u003c\/strong\u003e 1\/4 lambda\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003e\u003cstrong\u003eTransmittance:\u003c\/strong\u003e ≈97%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003e\u003cstrong\u003eBlocking depth:\u003c\/strong\u003e OD4 (200nm-1100nm)\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343896224050,"sku":"","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/ERF-1000.jpg?v=1727243989"},{"product_id":"erf-2-e2-80-b3-filter-s-series-for-quark-chromosphere","title":"ERF 2″ Filter S-series for Quark Chromosphere","description":"Player One S series filter using high quality optical glass substrate and multi-layer composite coating technology, which has excellent optical performance in astrophotography.\r\n\r\n\u003cstrong data-spm-anchor-id=\"2013.1.0.i1.44c7454dwNdx9O\"\u003e2 inch ERF filter ( Energy rejection filter for Quark Chromosphere）\u003c\/strong\u003e\r\n\r\nThis filter is an assistant filter, design for Quark Chromosphere (Ha verstion) ,\u003cstrong\u003e intend to reject energy and extend life time of your Quark\u003c\/strong\u003e.\r\n\r\n2″ ERF filter must working on\u003cstrong\u003e 6″ or smaller refractors.\u003c\/strong\u003e\r\n\r\n\u003cem\u003e\u003cstrong\u003e(DO NOT use it on eyepiece for observing)\u003c\/strong\u003e\u003c\/em\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343896387890,"sku":"ERF2","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/ERF2.jpg?v=1727243995"},{"product_id":"filter-drawer-for-canon-r-series-copy","title":"Filter Drawer for Canon R Series","description":"Filter drawer for Canon R\/RP body and EF lens\r\n\u003cul\u003e\r\n \t\u003cli\u003eFully optimized for Sightron Japan's glass thickness\u003c\/li\u003e\r\n \t\u003cli\u003eFits 52mm filter in standard (48mm adapter available)\u003c\/li\u003e\r\n \t\u003cli\u003eAll par-focal\u003c\/li\u003e\r\n \t\u003cli\u003eNo electrical contacts. So it requires pre-setting the aperture in advance.\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Yes \/ Yes \/ Yes","offer_id":49343902843186,"sku":"filter-drawer-for-canon-r-yes-yes-yes-1","price":288.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ No","offer_id":49343902875954,"sku":"filter-drawer-for-canon-r-yes-yes-no-1","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ Yes","offer_id":49343902908722,"sku":"filter-drawer-for-canon-r-yes-no-yes-1","price":268.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ No","offer_id":49343902941490,"sku":"filter-drawer-for-canon-r-yes-no-no-1","price":199.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ Yes","offer_id":49343902974258,"sku":"filter-drawer-for-canon-r-no-yes-yes-1","price":89.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ No","offer_id":49343903007026,"sku":"filter-drawer-for-canon-r-no-yes-no-1","price":20.0,"currency_code":"USD","in_stock":true},{"title":"No \/ No \/ Yes","offer_id":49343903039794,"sku":"filter-drawer-for-canon-r-no-no-yes-1","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/2-1.jpg?v=1727244094"},{"product_id":"filter-holder-case-for-borg-7518","title":"Filter Holder Case for BORG 7518","description":"\u003cul\u003e\r\n \t\u003cli\u003eFilter holder case for BORG 7518\u003c\/li\u003e\r\n \t\u003cli\u003e3 cases a set\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343906054450,"sku":"","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/1-1_e8ee4091-4b5f-4b2b-95e9-bab7571eaf01.jpg?v=1727244133"},{"product_id":"filter-storage-cases-for-mirrorless-camera-filter-drawers","title":"Filter Storage Boxes for Player One Filter Drawers","description":"These are cases for Hutech filter drawers for Canon R, Nikon Z and Sony E mount cameras.\r\n\r\nColor : Gray","brand":"Astro Hutech","offers":[{"title":"1-bay","offer_id":49343906480434,"sku":"HFSB1","price":8.0,"currency_code":"USD","in_stock":true},{"title":"3-bay","offer_id":49343906513202,"sku":"HSB3","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/3-bay.jpg?v=1727244139"},{"product_id":"hoya-nd5-filters-solar-imaging","title":"HOYA ND5 Filters (Solar Imaging)","description":"HOYA ND5 filters for the solar imaging\r\n\u003cul\u003e\r\n \t\u003cli\u003eProvides 16 2\/3 stops of neutral density filter\u003c\/li\u003e\r\n \t\u003cli\u003eSpecial multi-coating process provides neutral colors and sharp results\u003c\/li\u003e\r\n \t\u003cli\u003eAllows for exposures longer than 1 hour in direct sunlight\u003c\/li\u003e\r\n \t\u003cli\u003eSafe for camera use when shooting short exposures of solar events like an eclipse\u003c\/li\u003e\r\n \t\u003cli\u003eNot safe for human use when viewing the sun with the naked eye\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cem\u003e\u003cstrong\u003eThe filter is not designed for the solar visual observing as well as viewing through the camera's optical viewfinder. \u003c\/strong\u003e\u003c\/em\u003e","brand":"Astro Hutech","offers":[{"title":"77mm","offer_id":49343909101874,"sku":"HYND577","price":119.99,"currency_code":"USD","in_stock":true},{"title":"82mm","offer_id":49343909167410,"sku":"HYND582","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/ProND100000_5_1000.jpg?v=1727244207"},{"product_id":"hoya-sparkle-6x-filters","title":"HOYA Sparkle 6x Filters","description":"The filter makes bright stars larger and creates 6-spike shape.\r\n\u003cul\u003e\r\n \t\u003cli\u003eCreates Mini-Stars from small Pinpoint Light sources\u003c\/li\u003e\r\n \t\u003cli\u003eProduces smaller stars than traditional Star Filters\u003c\/li\u003e\r\n \t\u003cli\u003eRotating outside ring allows control of star points direction\u003c\/li\u003e\r\n \t\u003cli\u003eFilters Softening Effect creates a beautiful warm glow\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"52mm","offer_id":49343909724466,"sku":"HYSK6X52","price":45.99,"currency_code":"USD","in_stock":true},{"title":"72mm","offer_id":49343909757234,"sku":"HYSK6X72","price":69.99,"currency_code":"USD","in_stock":true},{"title":"77mm","offer_id":49343909790002,"sku":"HYSK6X77","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Sparkle6x1000.jpg?v=1727244217"},{"product_id":"hoya-starscape-filters","title":"HOYA Starscape Filters","description":"HOYA light pollution blocking filters\r\n\u003cul\u003e\r\n \t\u003cli\u003eFor Astro and Milky Way photographers\u003c\/li\u003e\r\n \t\u003cli\u003eBlocks yellow-orange color cast from city lights\u003c\/li\u003e\r\n \t\u003cli\u003eImproves contrast between stars and sky\u003c\/li\u003e\r\n \t\u003cli\u003eEnhances fall colors without affecting green or blue color\u003c\/li\u003e\r\n \t\u003cli\u003eNo blue shift occurred, which allows to set a filter in front of wide-angle lenses\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"52mm","offer_id":49343910019378,"sku":"HYSS52","price":30.0,"currency_code":"USD","in_stock":true},{"title":"72mm","offer_id":49343910052146,"sku":"HYSS72","price":74.99,"currency_code":"USD","in_stock":true},{"title":"77mm","offer_id":49343910084914,"sku":"HYSS77","price":91.99,"currency_code":"USD","in_stock":true},{"title":"82mm","offer_id":49343910117682,"sku":"HYSS82","price":128.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Starscape_1000.jpg?v=1727244226"},{"product_id":"hoya-uv-ir-filters","title":"HOYA UV\/IR Filters","description":"HOYA's premium UV and IR blocking filters\r\n\u003cul\u003e\r\n \t\u003cli\u003e2mm glass thickness\u003c\/li\u003e\r\n \t\u003cli\u003eSteep cut-off lines minimize the internal reflections\u003c\/li\u003e\r\n \t\u003cli\u003eHigh transmission rate\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n ","brand":"Astro Hutech","offers":[{"title":"52mm","offer_id":49343910347058,"sku":"HYUVIR52","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/UVIR.jpg?v=1727244232"},{"product_id":"hutech-filter-drawer-for-player-one-camera","title":"Hutech Filter Drawer for Player One Camera","description":"\u003cul\u003e\r\n \t\u003cli\u003eFilter Drawer for Player One Cameras and Canon EF lenses (and Nikon lenses via the adapter ring)\u003c\/li\u003e\r\n \t\u003cli\u003eOptimized for 1.5mm-1.58mm filter glass thickness\u003c\/li\u003e\r\n \t\u003cli\u003eAccommodates 52mm filter (48mm with an adapter ring)\u003c\/li\u003e\r\n \t\u003cli\u003ePlayer One original black sponge ring on the plate to prevent the light leak\u003c\/li\u003e\r\n \t\u003cli\u003eA filter holder included\u003c\/li\u003e\r\n \t\u003cli\u003eUse 2.5mm thick mount adapter for Nikon lenses\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Yes \/ No \/ Yes","offer_id":49343914475826,"sku":"","price":269.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ Yes","offer_id":49343914508594,"sku":"","price":89.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ No","offer_id":49343914541362,"sku":"","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ No","offer_id":49343914574130,"sku":"","price":249.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ No","offer_id":49343914606898,"sku":"","price":69.0,"currency_code":"USD","in_stock":true},{"title":"No \/ No \/ Yes","offer_id":49343914639666,"sku":"","price":20.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ Yes","offer_id":49343914672434,"sku":"","price":367.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/FD1.jpg?v=1727244281"},{"product_id":"idas-49mm-unmounted-filter","title":"IDAS 49mm Unmounted Filter","description":"IDAS 49mm unmounted filters\r\n\u003cul\u003e\r\n \t\u003cli\u003e2.5mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eSome filter holders are available. Specify ZWO\/QHY or Baader UFC.\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/BaaderFilterHolder.pdf\"\u003e\u003cem\u003e\u003cstrong\u003eInstallation procedure for Baader filter holder\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e","brand":"Astro Hutech","offers":[{"title":"ODW-49U","offer_id":49343916048690,"sku":"ODW-49U","price":99.0,"currency_code":"USD","in_stock":true},{"title":"NB1-49U","offer_id":49343916081458,"sku":"NB1-49U","price":199.0,"currency_code":"USD","in_stock":true},{"title":"LPS-D3-49U","offer_id":49343916114226,"sku":"LPS-D3-49Ua","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/36u.jpg?v=1727244305"},{"product_id":"idas-full-spectrum-rgb-type-4-clear-filter-set-31mm-unmounted","title":"IDAS Dual-band RGB Type 4 + Clear Filter Set - 31mm (unmounted)","description":"IDAS-proprietary unique full spectrum 31mm RGB color filter set.\r\n\r\n2.5mm thick\r\n\r\nThe set includes unmounted 31mm RGB \u0026amp; clear filters.\r\n\r\nIDAS is a trademark of ICAS Enterprise Japan\r\n\r\n\u003cem\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/type4.htm\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eClick for the details.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/em\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343917916466,"sku":"RGB4C31","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/RGB4C31-1.jpg?v=1727244311"},{"product_id":"idas-eao1-filter-for-eaa-and-comets","title":"IDAS EAO1 Filter for EAA and Comets","description":"IDAS EAO1 filter specifically designed for EAA application and comets' C2 lines, which  is the same optical performance as LPS-V4.\r\n\r\nIDAS is a trademark of ICAS Enterprise Japan\r\n\r\n\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/eao1\/index.htm\"\u003e\u003cem\u003e\u003cstrong\u003eMore details on EAO1\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e","brand":"Astro Hutech","offers":[{"title":"ZWO","offer_id":49343918113074,"sku":"idas-eao1-filter-for-eaa-and-comets-zwo","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/eao1-z1-7.jpg?v=1727244318"},{"product_id":"idas-full-spectrum-clear-filter","title":"IDAS Full Spectrum (Clear) AR-coated","description":"\u003cul\u003e\r\n \t\u003cli\u003eFull Spectrum AR-coated filter\u003c\/li\u003e\r\n \t\u003cli\u003ePar-focal with all IDAS 48mm and 52mm, except QRO Series\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n \r\n\r\n ","brand":"Astro Hutech","offers":[{"title":"ODW-52","offer_id":49343918244146,"sku":"idas-full-spectrum-(clear)-ar-coated-odw-52","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/odw-52.jpg?v=1727244322"},{"product_id":"class-std","title":"IDAS Ha 6.8nm Filter Class STD (2.5mm)","description":"Class STD(Standard), which is suitable for most of telescopes\r\n\u003cul\u003e\r\n \t\u003cli\u003eHa 6.5 +\/- 0.1nm (measured value)\u003c\/li\u003e\r\n \t\u003cli\u003e98% transmission rate (measured value)\u003c\/li\u003e\r\n \t\u003cli\u003eClass STD\u003c\/li\u003e\r\n \t\u003cli\u003e2.5mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eOptimized from F3.5 to any\u003c\/li\u003e\r\n \t\u003cli\u003eFully blocks up to 1200nm as illustrated in the plot\u003c\/li\u003e\r\n \t\u003cli\u003eEach filter is individually inspected and measured for quality\u003c\/li\u003e\r\n \t\u003cli\u003eComes with the actual measured plot with the unique product code\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/ha-series\/index.htm\"\u003e\u003cem\u003e\u003cstrong\u003eClick for more details\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e","brand":"Astro Hutech","offers":[{"title":"50.8mm","offer_id":49343919259954,"sku":"HA6825-50.8STD","price":299.0,"currency_code":"USD","in_stock":true},{"title":"M52 mounted","offer_id":49343919292722,"sku":"HA6825-52STD","price":299.0,"currency_code":"USD","in_stock":true},{"title":"M48(2\") mounted","offer_id":49343919325490,"sku":"HA6825-48STD","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/STD2.5.jpg?v=1727244352"},{"product_id":"idas-ha-6-8nm-3-0mm-std","title":"IDAS Ha 6.8nm Filter Class STD (3.0mm)","description":"IDAS Ha 6.8nm standard version, which is suitable for most of telescopes\r\n\u003cul\u003e\r\n \t\u003cli\u003eHa 6.5 +\/- 0.1nm (measured value)\u003c\/li\u003e\r\n \t\u003cli\u003e98% transmission rate (measured value)\u003c\/li\u003e\r\n \t\u003cli\u003eClass STD\u003c\/li\u003e\r\n \t\u003cli\u003e3.0mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eOptimized from F3.6 to any\u003c\/li\u003e\r\n \t\u003cli\u003eFully blocks up to 1200nm as illustrated in the plot\u003c\/li\u003e\r\n \t\u003cli\u003eEach filter is individually inspected and measured for quality\u003c\/li\u003e\r\n \t\u003cli\u003eComes with the actual measured plot with the unique product code(except 36mm)\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/ha-series\/index.htm\"\u003e\u003cem\u003e\u003cstrong\u003eClick for more details\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\r\n\r\n ","brand":"Astro Hutech","offers":[{"title":"36mm","offer_id":49343921258802,"sku":"HA68STD3-36","price":259.0,"currency_code":"USD","in_stock":true},{"title":"M48(2\")","offer_id":49343921291570,"sku":"HA6830-48STD","price":299.0,"currency_code":"USD","in_stock":true},{"title":"50.8mm","offer_id":49343921324338,"sku":"HA68STD3-50.8","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/HA68STD.jpg?v=1727244376"},{"product_id":"idas-nb1","title":"IDAS NB1","description":"One of IDAS dual narrowband series\r\n\u003cul\u003e\r\n \t\u003cli\u003eTriple passband - Ha, Hb \u0026amp; OIII\u003c\/li\u003e\r\n \t\u003cli\u003eVarious sizes\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/nb-filters\/index.htm\"\u003e\u003cem\u003e\u003cstrong\u003eMore details\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e","brand":"Astro Hutech","offers":[{"title":"NB1-36","offer_id":49343922864434,"sku":"","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/NB1-48a.jpg?v=1727244383"},{"product_id":"idas-nbz-di-filter-rasa8-adapter-special-set","title":"IDAS NBZ(UHS)-Di Filter \u0026 RASA8 Filter Drawer Set","description":"The set include NBZ UHS -Di and RASA 8 filter drawer adapter.\r\n\u003cul\u003e\r\n \t\u003cli\u003eA filter (UHS version) ideally works for RASA 8 (no signal loss by spectrum shift)\u003c\/li\u003e\r\n \t\u003cli\u003eAdapter's light path is carefully pre-calibrated when IDAS filter is in place\u003c\/li\u003e\r\n \t\u003cli\u003eThe adapter allows to orient a camera body\u003c\/li\u003e\r\n \t\u003cli\u003eFully compatible with other IDAS Di filters (Easy filter swap)\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343923159346,"sku":"","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/rasa8fd.jpg?v=1727244396"},{"product_id":"idas-oiii-6-0","title":"IDAS OIII 6.0","description":"IDAS OIII 6.0nm narrowband filter\r\n\u003cul\u003e\r\n \t\u003cli\u003e6.0 +\/- 0.2nm bandpass (measured value)\u003c\/li\u003e\r\n \t\u003cli\u003e98% transmission (measured value)\u003c\/li\u003e\r\n \t\u003cli\u003e2.5mm \u0026amp; 3.0mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eOptimized from F1.65 to any\u003c\/li\u003e\r\n \t\u003cli\u003eFully blocks up to 1300nm as illustrated in the plot\u003c\/li\u003e\r\n \t\u003cli\u003eEach filter is individually inspected and measured for quality\u003c\/li\u003e\r\n \t\u003cli\u003eComes with the actual measured plot with the unique product code(except 36mm)\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/nb-o3\/index.htm\"\u003e\u003cem\u003e\u003cstrong\u003eProduct description page\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e","brand":"Astro Hutech","offers":[{"title":"50.8 for CFW 3.0mm thickness","offer_id":49343924535602,"sku":"OIII5-50.8","price":299.0,"currency_code":"USD","in_stock":true},{"title":"48mm(2\") mounted 2.5mm thickness","offer_id":49343924568370,"sku":"OIII6-48","price":299.0,"currency_code":"USD","in_stock":true},{"title":"52mm mounted 2.5mm thickness","offer_id":49343924601138,"sku":"OIII6-52","price":299.0,"currency_code":"USD","in_stock":true},{"title":"36mm for CFW 3.0mm thickness","offer_id":49343924633906,"sku":"OIIISTD3-36","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/OIII60-48a.jpg?v=1727244415"},{"product_id":"idas-h-alpha-6-8nm-oiii-6-0nm-set","title":"IDAS SHO Filter Sets","description":"IDAS H-alpha 6.8nm. OIII 6.0nm and SII 6.3nm Sets. Available at various sizes and classifications - STD or UHS.\r\n\r\nIDAS is a trademark of ICAS Enterprise, Japan\r\n\r\n ","brand":"Astro Hutech","offers":[{"title":"STD 3mm thick 48mm(2\") mounted","offer_id":49343926665522,"sku":"SHO30STD-48","price":449.0,"currency_code":"USD","in_stock":true},{"title":"UHS 2.5mm thick 52mm mounted","offer_id":49343926698290,"sku":"SHO25UHS-52","price":599.0,"currency_code":"USD","in_stock":true},{"title":"STD 3mm thick 50.8 CFW","offer_id":49343926731058,"sku":"SHO30STD-50.8","price":449.0,"currency_code":"USD","in_stock":true},{"title":"STD 3mm thick 36mm unmounted","offer_id":49343926763826,"sku":"SHO30STD-36","price":349.0,"currency_code":"USD","in_stock":true},{"title":"STD 2.5mm thick 48mm(2\") mounted","offer_id":49343926796594,"sku":"SHO25STD-48","price":499.0,"currency_code":"USD","in_stock":true},{"title":"UHS 3mm thick 48mm(2\") mounted","offer_id":49343926829362,"sku":"SHO30UHS-48","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Untitled-1_bc65ab81-f963-4849-9ec0-ec95c9fee117.jpg?v=1727244424"},{"product_id":"idas-sii-narrowband-filters","title":"IDAS SII Narrowband Filters","description":"IDAS SII Filters\r\n\u003cul\u003e\r\n \t\u003cli\u003e6.3nm bandpass\u003c\/li\u003e\r\n \t\u003cli\u003e48mm(2\") mounted, 52mm mounted, 36mm unmounted and 50.8 CFW available\u003c\/li\u003e\r\n \t\u003cli\u003e2.5mm and 3mm thickness\u003c\/li\u003e\r\n \t\u003cli\u003eSTD and UHS\u003c\/li\u003e\r\n \t\u003cli\u003eComes with an individual measurement plot (except 36mm unmounted)\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"UHS 3mm thick 48mm mounted","offer_id":49343927157042,"sku":"SII63UHS3-48","price":299.0,"currency_code":"USD","in_stock":true},{"title":"STD 3mm thick 36mm unmounted","offer_id":49343927189810,"sku":"SII63STD3-36","price":259.0,"currency_code":"USD","in_stock":true},{"title":"STD 2.5mm thick 48mm mounted","offer_id":49343927222578,"sku":"SII63STD3-48","price":299.0,"currency_code":"USD","in_stock":true},{"title":"UHS 2.5mm thick 52mm mounted","offer_id":49343927255346,"sku":"SII63UHS25-52","price":299.0,"currency_code":"USD","in_stock":true},{"title":"STD 3mm thick 50.8 CFW","offer_id":49343927288114,"sku":"SII63STD3-50.8","price":299.0,"currency_code":"USD","in_stock":true},{"title":"STD 3mm thick 48mm mounted","offer_id":49343927320882,"sku":"","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/SII63STD3-50.8.jpg?v=1727244434"},{"product_id":"idas-uv-ir-blocking-filter-verion-iv-1-25","title":"IDAS UV\/IR Blocking Filter Verion IV (1.25\")","description":"IDAS is a trademark of ICAS Enterprise Japan","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343928303922,"sku":"idas-uv\/ir-blocking-filter-verion-iv-(1.25\")","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/UI4286-4.jpg?v=1727244439"},{"product_id":"ir-720-pro-1-25","title":"IR 720 Pro 1.25\"","description":"IR-pass filter.  Fully blocking below 720nm.\r\n\u003cul\u003e\r\n \t\u003cli\u003eGlass thickness : 1.5mm\u003c\/li\u003e\r\n \t\u003cli\u003eGlass type : Fused Quartz\u003c\/li\u003e\r\n \t\u003cli\u003eSteep cut-off line \u0026amp; high transmission rate\u003c\/li\u003e\r\n \t\u003cli\u003eMount size : UNF 1 1\/8\"-48 (equivalent to 28.575mm\/P0.529)*\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n* It might not allow to fully turn to M28.5\/P0.6 threads. It depends on the machining variation.\r\n\r\n ","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343928566066,"sku":"SJ-IR720","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/IR720a.jpg?v=1727244446"},{"product_id":"ir640-2-1-25","title":"IR640 Pro II 2\" \u0026 1.25\"","description":"IR-pass filter.  Fully blocking below 640nm.\r\n\u003cul\u003e\r\n \t\u003cli\u003eGlass thickness : 1.5mm\u003c\/li\u003e\r\n \t\u003cli\u003eGlass type : Fused Quartz\u003c\/li\u003e\r\n \t\u003cli\u003eSteep cut-off line \u0026amp; high transmission rate\u003c\/li\u003e\r\n \t\u003cli\u003e2\" mount size : M48\/P0.75\u003c\/li\u003e\r\n \t\u003cli\u003e1.25\" mount size : UNF 1 1\/8\"-48 (equivalent to 28.575mm\/P0.529)*\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n* It might not allow to fully turn to M28.6\/P0.6 threads. It depends on the machining variation.","brand":"Astro Hutech","offers":[{"title":"2\"","offer_id":49343928926514,"sku":"SJIR640-48","price":79.0,"currency_code":"USD","in_stock":true},{"title":"1.25\"","offer_id":49343928959282,"sku":"SJ-IR640-125","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/IR640-48a.jpg?v=1727244453"},{"product_id":"ir685-ir-pass-filter","title":"IR685 - IR-pass Filter","description":"Passing over 685nm for NIR imaging\r\n\u003cp class=\"tgt\" data-section=\"0\"\u003e\u003cspan class=\"tgt\" data-section=\"0\" data-sentence=\"0\" data-group=\"0-0\"\u003eSpecifications: 1.25 inch, thread M28.5*0.6\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003eFrame thickness: body 5mm+ thread 2mm, a total of 7mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003eThickness of filter lens: 2mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003eTransmittance: ≈90%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003eBlocking depth: OD3\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343929188658,"sku":"IR685","price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/IR685-1-en.jpg?v=1727244463"},{"product_id":"ir800-1-25","title":"IR800 Pro 1.25\"","description":"IR-pass filter.  Fully blocking below 800nm.\r\n\u003cul\u003e\r\n \t\u003cli\u003eGlass thickness : 1.5mm\u003c\/li\u003e\r\n \t\u003cli\u003eGlass type : Fused Quartz\u003c\/li\u003e\r\n \t\u003cli\u003eSteep cut-off line \u0026amp; high transmission rate\u003c\/li\u003e\r\n \t\u003cli\u003eMount size : UNF 1 1\/8\"-48 (equivalent to 28.575mm\/P0.529)*\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n* It might not allow to fully turn to M28.5\/P0.6 threads. It depends on the machining variation.","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343929712946,"sku":"SJ-IR800","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/IR800a.jpg?v=1727244470"},{"product_id":"ir850-ir-pass-filter","title":"IR850 - IR-pass Filter","description":"\u003cp data-section=\"0\"\u003ePassing over 850nm for NIR imaging\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"0\"\u003e\u003cspan class=\"tgt\" data-section=\"0\" data-sentence=\"0\" data-group=\"0-0\"\u003eSpecifications: 1.25 inch, thread M28.5*0.6\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003eFrame thickness: body 5mm+ thread 2mm, a total of 7mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003eThickness of filter lens: 2mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003eTransmittance: ≈90%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003eBlocking depth: OD3\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343929778482,"sku":"IR850","price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/IR850-1-en.jpg?v=1727244478"},{"product_id":"lps-c1-2","title":"LPS-C1 2\"","description":"(LPS) Light Pollution Suppression Filter\r\n\u003cul\u003e\r\n \t\u003cli\u003eEffectively suppressing white LED sky glow\u003c\/li\u003e\r\n \t\u003cli\u003eMaintains the good color balance under the white LED dominant sky (See one of gallery images)\u003c\/li\u003e\r\n \t\u003cli\u003eAlso designed for enhancing the contrast of the comet emission lines\u003c\/li\u003e\r\n \t\u003cli\u003eGlass Type : Fused Quartz - excellent purity and transmission including UV. Extremely low contamination. High heat resistance.\u003c\/li\u003e\r\n \t\u003cli\u003eGlass thickness : 1.5mm\u003c\/li\u003e\r\n \t\u003cli\u003eM48 mounted\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343931154738,"sku":"SJ-LPSC1-48","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/LPS-C1f.jpg?v=1727244518"},{"product_id":"lps-d3","title":"LPS-D3","description":"\u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/ngs1\/index.htm\"\u003e\u003cem\u003e\u003cstrong\u003eFor more details\u003c\/strong\u003e\u003c\/em\u003e\u003c\/a\u003e\r\n\r\nIDAS is a trademark of ICAS Enterprise, Japan","brand":"Astro Hutech","offers":[{"title":"52mm","offer_id":49343931318578,"sku":"LPS-D3-52","price":189.0,"currency_code":"USD","in_stock":true},{"title":"36mm unmounted","offer_id":49343931351346,"sku":"D3-36","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/D348-1.jpg?v=1727244527"},{"product_id":"lps-p2-2","title":"LPS-P2","description":"IDAS is a trademark of ICAS Enterprise, Japan","brand":"Astro Hutech","offers":[{"title":"46mm mounted (for Sigma)","offer_id":49343931646258,"sku":"LPS-P2-46","price":149.0,"currency_code":"USD","in_stock":true},{"title":"50mm(3.0 mm thick) unmounted","offer_id":49343931679026,"sku":"LPS-P2-50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/lps-p2-46.jpg?v=1727244534"},{"product_id":"lps-p2-unmounted","title":"LPS-P2, unmounted","description":"\u003cul\u003e\r\n \t\u003cli\u003eLPS-P2 filters, unmounted (3.0mm thick)\u003c\/li\u003e\r\n \t\u003cli\u003ePar-focal with AstroDon filters\u003c\/li\u003e\r\n \t\u003cli\u003eMore suitable for a monochrome sensor\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"50mm","offer_id":49343931908402,"sku":"LPS-P2-50U","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/36u-19.jpg?v=1727244540"},{"product_id":"lps-v4-eos","title":"LPS-V4-EOS","description":"\u003cul\u003e\r\n \t\u003cli\u003eLPS nebula filter for Canon APS-C cameras\u003c\/li\u003e\r\n \t\u003cli\u003eLast stock offer\u003c\/li\u003e\r\n \t\u003cli\u003eIDAS is a trademark of ICAS Enterprise Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343932039474,"sku":"LPS-V4-EOS","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/v4eos.jpg?v=1727244546"},{"product_id":"mirrorless-camera-filter-drawers","title":"Mirrorless Camera Filter Drawers for Nikon Z","description":"Hutech filter drawers for Nikon Z and Nikon F lens\r\n\u003cul\u003e\r\n \t\u003cli style=\"list-style-type: none;\"\u003e\r\n\u003cul\u003e\r\n \t\u003cli style=\"list-style-type: none;\"\u003e\r\n\u003cul\u003e\r\n \t\u003cli\u003eFully optimized when Sightron's filters are in place\u003c\/li\u003e\r\n \t\u003cli\u003eFits Sightron 52mm filters (48mm with a filter adapter)\u003c\/li\u003e\r\n \t\u003cli\u003eNo G-mount lens functional\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Yes \/ Yes \/ Yes","offer_id":49343937315122,"sku":"MZ-NZF","price":288.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ Yes \/ No","offer_id":49343937347890,"sku":"MZ-NZF","price":219.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ Yes","offer_id":49343937380658,"sku":"MZ-NZF","price":268.0,"currency_code":"USD","in_stock":true},{"title":"Yes \/ No \/ No","offer_id":49343937413426,"sku":"mirrorless-camera-filter-drawers-nikon-z-nikon-f-yes-yes","price":199.0,"currency_code":"USD","in_stock":true},{"title":"No \/ Yes \/ No","offer_id":49343937446194,"sku":"mirrorless-camera-filter-drawers-nikon-z-nikon-f-yes-no","price":20.0,"currency_code":"USD","in_stock":true},{"title":"No \/ No \/ Yes","offer_id":49343937478962,"sku":"mirrorless-camera-filter-drawers-nikon-z-nikon-f-no-yes","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/front.jpg?v=1727244671"},{"product_id":"photosphere-7-5nm-1-25-e2-80-b3-filter-e-series","title":"Photosphere 7.5nm 1.25″ Filter E-series","description":"\u003cstrong data-spm-anchor-id=\"2013.1.0.i1.44c7454dwNdx9O\"\u003e1.25″ Photosphere 7.5nm filter（Photosphere enhanced filter）\u003c\/strong\u003e\r\n\r\nPhotosphere filter is an assistant filter, \u003cstrong\u003etelescope must use baader film or Herschel wedge for adequate reduction of sun light,\u003c\/strong\u003e then you can use this filter for imaging.\r\n\r\nPhotosphere filter is a narrowband filter, CWL is 540nm, bandwidth 7.5nm.\r\n\u003cp class=\"tgt\" data-section=\"0\"\u003e\u003cspan class=\"tgt\" data-section=\"0\" data-sentence=\"0\" data-group=\"0-0\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e 1.25 inch, thread M28.5*0.6\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003e\u003cstrong\u003eFrame thickness:\u003c\/strong\u003e body 5mm+ thread 2.5mm, a total of 7.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003e\u003cstrong\u003eThickness of filter lens:\u003c\/strong\u003e 2.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003eBandwidth:\u003c\/strong\u003e 7.5nm\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003eCWL (center wavelength):\u003c\/strong\u003e 540nm\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003ePV:\u003c\/strong\u003e 1\/4 lambda\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003e\u003cstrong\u003eTransmittance:\u003c\/strong\u003e ≈97%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003e\u003cstrong\u003eBlocking depth:\u003c\/strong\u003e OD4\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343947997490,"sku":"PS125E","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Untitled-2_c7231150-c066-4d08-bb62-f44fe19a07fb.jpg?v=1727244885"},{"product_id":"quad-bp-filter-2","title":"Quad BP III Filter","description":"QBP (Quad Band Pass) is a relatively wider narrowband filter, which specifically passes SII, Ha, OIII and Hb.\r\n\u003cul\u003e\r\n \t\u003cli\u003eGlass thickness : 1.5mm\u003c\/li\u003e\r\n \t\u003cli\u003eGlass type : Fused Quartz - excellent purity and transmission including UV. Extremely low contamination. High heat resistance.\u003c\/li\u003e\r\n \t\u003cli\u003eM48 (for 2\") and M28.57mm\/0.53mm pitch (for 1.25\") mounted\u003c\/li\u003e\r\n \t\u003cli\u003eMade in Japan\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"2\"","offer_id":49343949603122,"sku":"QBPIII-48","price":189.0,"currency_code":"USD","in_stock":true},{"title":"1.25\"","offer_id":49343949635890,"sku":"QBPIII-1.25","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/QBP1000.jpg?v=1727244946"},{"product_id":"rasa-11-m57-adapter","title":"RASA 11 - M57 Adapter","description":"The adapter to convert to BORG M57 interface.\r\n\u003cul\u003e\r\n \t\u003cli\u003e29.7mm light path\u003c\/li\u003e\r\n \t\u003cli\u003eThe distance is fully optimized when SJ 1.5mm mm thick filters are in place.\u003c\/li\u003e\r\n \t\u003cli\u003eOpening interface - M57 maximizes the clear aperture for full frame sensors\u003c\/li\u003e\r\n \t\u003cli\u003eBORG M57 filter drawer allows to set SJ M52 filters\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343949930802,"sku":"","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/RASA11a.jpg?v=1727244950"}],"url":"https:\/\/a7ead1-f1.myshopify.com\/collections\/c-filters.oembed?page=3","provider":"Astro Hutech","version":"1.0","type":"link"}